@ Tophy
The email address for julia meer is in the pdf, at the bottom. As you said, when you open a pdf and do file > properties > fonts you see the fonts used to create the pdf.
With software that can show the fonts in a pdf, like Altsoft FTMaster you can see the naming section of the embedded font and thus the names of the designer and (most times) a vendor website. Et voilá there you have your link ...